revert: convert Tailwind config to TypeScript

This reverts commit 906b34d21c.

tailwind.config.cjs

@@ -0,0 +1,56 @@
+const colors = require("./assets/tailwindcss/colours.cjs");
+const defaultTheme = require("tailwindcss/defaultTheme");
+const { fontFamily } = defaultTheme;
+
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  mode: "jit",
+  darkMode: "media",
+  important: true,
+  content: ['./src/**/*.{astro,html,js,jsx,md,mdx,svelte,ts,tsx,vue}'],
+  theme: {
+    outline: {
+      black: "1px solid black",
+      white: "1px solid white",
+    },
+    extend: {
+      colors,
+      fontFamily: {
+        sans: [
+          "Roboto Condensed",
+          "Arial",
+          "Helvetica Neue",
+          "Helvetica",
+          "sans-serif",
+        ],
+        mono: [
+          "ui-monospace",
+          "SFMono-Regular",
+          "SF Mono",
+          "Consolas",
+          "Liberation Mono",
+          ...fontFamily.mono,
+        ],
+      },
+      spacing: {
+        "2px": "2px",
+      },
+      borderWidth: {
+        3: "3px",
+      },
+      width: {
+        96: "24rem",
+      },
+    },
+  },
+  corePlugins: {
+    container: false,
+  },
+  plugins: [
+    require("./assets/tailwindcss/plugins/focus-visible.cjs"),
+    require("@tailwindcss/nesting"),
+    require("@tailwindcss/aspect-ratio"),
+    require("@tailwindcss/forms"),
+    require("@tailwindcss/typography"),
+  ],
+};